Finding the Fourth Proportional to 744,769.73, 1,117,329.56 and 212,298.41
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Solution
The fourth proportional to 744,769.73, 1,117,329.56 and 212,298.41 is: 318,497.49
Step by Step Solution
- Step 1: Write the proportion equation
744,769.73 : 1,117,329.56 = 212,298.41 : x - Step 2: Convert to fraction form
744,769.73/1,117,329.56 = 212,298.41/x - Step 3: Cross multiply
744,769.73x = 1,117,329.56 × 212,298.41 - Step 4: Simplify right side
744,769.73x = 237,207,289,034.00 - Step 5: Solve for x
x = 237,207,289,034.00/744,769.73 - Step 6: Final answer
x = 318,497.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.